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From "Erick Erickson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-2303) remove unnecessary (and problematic) log4j jars in contribs
Date Tue, 18 Jan 2011 18:56:44 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12983329#action_12983329
] 

Erick Erickson commented on SOLR-2303:
--------------------------------------

OK, scratch the notion of removing the junit-4.7.jar file from Solr, the test cases...er...stop
compiling. But the rest still stands.

> remove unnecessary (and problematic) log4j jars in contribs
> -----------------------------------------------------------
>
>                 Key: SOLR-2303
>                 URL: https://issues.apache.org/jira/browse/SOLR-2303
>             Project: Solr
>          Issue Type: Improvement
>          Components: Build
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: SOLR-2303.patch
>
>
> In solr 4.0 there is log4j-over-slf4j.
> But if you have log4j jars also in the classpath (e.g. contrib/extraction, contrib/clustering)
you can get strange errors such as:
> java.lang.NoSuchMethodError: org.apache.log4j.Logger.setAdditivity(Z)V
> So I think we should remove the log4j jars in these contribs, all tests pass with them
removed.

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